viewer/epub: normalise item handler background for books

Book files expect a clear background.

2 files changed, 2 insertions, 0 deletions

diff --git a/viewer/src/assets/scss/theme.scss b/viewer/src/assets/scss/theme.scss
index fe70f17..6622fa5 100644
--- a/viewer/src/assets/scss/theme.scss
+++ b/viewer/src/assets/scss/theme.scss
@@ -57,6 +57,7 @@ $thumbnail-other-size: $body-line-height * 7em;
 $proposed-category-bgcolor: $palette-700;
 $viewer-text: $palette-000;
 $viewer-text-background: $palette-900;
+$viewer-epub-background: $palette-000;
 
 // Layout
 
diff --git a/viewer/src/views/item_handlers/async/AsyncEpubViewer.vue b/viewer/src/views/item_handlers/async/AsyncEpubViewer.vue
index 07e6dcb..b02eab3 100644
--- a/viewer/src/views/item_handlers/async/AsyncEpubViewer.vue
+++ b/viewer/src/views/item_handlers/async/AsyncEpubViewer.vue
@@ -150,6 +150,7 @@ function goToNextSection() {
   display: flex;
   flex-direction: column;
   height: 100%;
+  background-color: $viewer-epub-background;
 }
 
 .epubView {